Home / 40,083.10-60,130.05-13,795.90

Finding the Fourth Proportional to 40,083.10, 60,130.05 and 13,795.90

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Solution

The fourth proportional to 40,083.10, 60,130.05 and 13,795.90 is: 20,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,083.10 : 60,130.05 = 13,795.90 : x
  2. Step 2: Convert to fraction form
    40,083.10/60,130.05 = 13,795.90/x
  3. Step 3: Cross multiply
    40,083.10x = 60,130.05 × 13,795.90
  4. Step 4: Simplify right side
    40,083.10x = 829,548,156.80
  5. Step 5: Solve for x
    x = 829,548,156.80/40,083.10
  6. Step 6: Final answer
    x = 20,695.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.